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Bruno Willhalm
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Chene-Bourg, CH
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last 30 patents
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Patent Grant
Cyclic C.sub.6 esters and their use in perfumes
Patent number
4,289,659
Issue date
Sep 15, 1981
Firmenich SA
Karl-Heinrich Schulte-Elte
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent Grant
Cyclic C.sub.6 compounds and their use in perfumes
Patent number
4,264,467
Issue date
Apr 28, 1981
Firmenich SA
Karl-Heinrich Schulte-Elte
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent Grant
Cyclic C.sub.6 ketones in perfumes
Patent number
4,147,672
Issue date
Apr 3, 1979
Firmenich SA
Karl-Heinrich Schulte-Elte
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES